Lexmark MX711DE, MX711DTHE, MX710DE Streaked vertical lines appear on prints, Troubleshooting 320

Troubleshooting		320
Action	Yes	No
Step 4	Go to step 5.	The problem is solved.

aReinstall the imaging unit.

1Remove the toner cartridge, and then the imaging unit.

Warning—Potential Damage: Do not expose the imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.

2Install the imaging unit, and then the cartridge.

bResend the print job.

Do streaked horizontal lines appear on prints?
Step 5	Contact customer	The problem is solved.
Replace the imaging unit, and then resend the print job.	support.
Do streaked horizontal lines appear on prints?

Streaked vertical lines appear on prints

ABCDE ABCDE ABCDE

Leading edge

Trailing edge

Action	Yes	No
Step 1	Go to step 2.	The problem is solved.

aDepending on your operating system, specify the paper type, texture, and weight from Printing Preferences or from the Print dialog.

bResend the print job.

Do streaked vertical lines appear on prints?
Step 2	Go to step 3.	Do one or more of the
From the printer control panel, set the paper texture, type, and weight in		following:
the Paper menu to match the paper loaded in the tray.		•	Specify the paper
			texture, type, and
Do the paper texture, type, and weight match the paper in the tray?			weight from the
			tray settings to
			match the paper
			loaded in the tray.
		•	Change the paper
			loaded in the tray
			to match the paper
			texture, type, and
			weight specified in
			the tray settings.